Internal-combustion-engine locomotive



E. ZBINDEN INTERNAL COMBUSTION ENGINE LOCOMOTIVE Nov. 13, 1928. 1,691,598

Filed March 12, 1926 dmmiw EUGEN raeaiee Na. is, ieas.

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STATES ZBINIDEN, OF WINTERTHUE, SWITZERLAND, ASSIGNOR TO SULZER FRERES SOGIETE ANONYME, OF WINTERTHUB, SWITZERLAND.

INTERNQL-COMBUSTIUN-ENGINE LOCOMOTIVE.

Application filed March 12, 1926, Serial No. 94 140, and. in Germany August 23, 1925.

This invent-ion relates 'to locomotives driven by internal combustion engines and has for its object to provide improved means for controlling the action of the radiator through which the cooling water is circulated and for ventilating the interior of the locomotive. I

According to this invention not only is the radiator provided with a fan which can be operated at will but in addition the induction pipe of the internal combustion engine 'is so arranged that it can be placed into communication either with the conduit through which cooling air of the radiator flows or with the interior of the locomotive. Thus air can be drawn through the radiator either by the fan or by the induction pipe of the engine, enabling the cooling action to be controlled without varying the speed of the fan or the eiiective area of the radiator and further the proper ventilation of the interior of the locomotive can be assured by drawing the combustion air for the engine from the casing without in any way diminishingthe amount of air drawn by the fan through the radiator. This simplifies the construction of the locomotive since it is unnecessary to provide means for varying the speed of the fan or to employ a radiator of the type having a variable number of sections or stages.

One construction according to this invention is illustrated diagrammatically by way of example in the accompanying drawing.

v The frame of the locomotive'a carries a body or casing b containin an internal combustion engine and the rivers cab d. In the example shown the engine 0 is directly coupled to an electric generator 6 which supplies current to motors 7 connected to or carried by the axles g of the driving wheels.

lhe radiator It through which the cooling water is circulated is of a Well-knowiitype and is provided with a fan i driven from the shaft of the dynamo 6 through bevel pinions In, this fan being furnished with a clutch Z which can. be disconnected at willfrom the The fanis mounted to ro-v driving shaft. tate in a fan chamber or conduit m through whichair is drawn through the radiator, the

delivery end 0 of this conduit communicatingwith the atmosphere through the roof of the body and having a hinged cap 'or 1 cover a.

The induction pipe p of the engine is connectedto an air intake chamber 9 arranged inside the body 01' casing b of the locomotive and is also connected to a pipe 1" leading to the fan chamber or conduit m, a valve 8 being provided by means of which the induction pipe can be connected either to the chamber g or to the conduit m.

In summer when the maximum amount vof cooling air is required and the body 'of the vehicle has to be ventilated, the cap or cover n'is opened, the fan coupled to its driving shaftand the valve 8 moved into the position shown by full lines in the drawing. As a result a draught will be created inside the locomotive which will thus be ventilated whilst the full output of the fan will be employed to draw air through the radiator of the engine. when but little cooling. air is required and it is not necessary to ventilate the interior of the locomotive, the cap ,or cover a will be closed, the fan disconnected from the driv-- ing shaft and the valve .9 moved into the upper position shown by dotted lines in the drawing. The engine will then draw suflicient airthrough the radiator to effect the On the other hand in winter cooling of the water without creating" a 'in said chamber and an engine inta e conduit opening into said chamber, whereby air may bedrawn through said radiator and into sald ch'amber by the suction of said fan and the suction of said intake conduit, and means for varying the proportion of air drawn throu 11 ,said radiator by said fan and by said inta e conduit.

In testimony where'ofl have aflixed my. signature.

- EUGEN' ZBINDEN. 

